Adjustable electric-light chandelier.



M. J. LINDAHL. ADJUSTABLE ELECTRIC LIGHT GH'NDELIER.

APPLICATION FILED JALZ'I'QM.

Patented July 21,?1914 2 SHEETS-*SHEET 1.

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M. J. LINDAHL.

ADJUSTABLE ELECTRIC LIGHT CHANDELIER.

APPLIOATION FILED JAN. 2. 1914. l l

Patented July 21, 1914.

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MARTINIS J. LINDAHL, OVF WOODBURN, OREGON.

ADJUSTABLE ELECTRICz-LIG-HT C2i-LANDELIER.y

Speccaton of Letters Patent.

Patented J uly'21, 1914.

Application led January 2, i1914. Serial No. 810,002.

T0 all whomz't may concern Be it known that I, MARTiNis J. LINDAHL, acitizen of the United States, residing at I."il'oodburn, in the countyof Marion and State of Gregon, have invented certain new and usefulImprovements in Adjustable Electric-Light Chandeliers; and I do declarethe following to be a full, clear, and exact description of theinvention, such as willV enable others skilled in the art to w'hich itappeitains to make and use the same.

This invention relates to improvements in adjustable electric lightchandeliersl and more particularly to those formed in a plurality oftelescoping sections and adapted to be raised and lowered at will.

The primary object of the invention is to construct a chandelier of thischaracter in such a manner as to` employ the current conducting wii'esto support a weight within the sections which will retain said sectionsin their vertically adjusted positions.

I am aware that chandeliers of this character have been heretoforemanufactured but which have never come into practical use due toinsecure features of construction. There-v fore, a secondary object ofmy invention is to improve the construction of devices of this characterto such an extent as to relieve the upper and lower terminals of thecur' Figure 1 is a side elevation of my` iin-v proved chandelier`showing the same lowered; Fig. 2 is a vertical sectional view on theline 2 2 of Fig. 7, the chandelier being lowered; Fig. 3 is a similarview with the chandelier raised; Fig. 4 is an enlarged section showingmore clearly the parts illustrated at the top of Figs. 2 and 3; Fig. 5is a similar view of the parts near the lower end of said figures; Fig.6 is a horizontal section on the line 6 6 of Fig. 3; Fig. 7 is a similarview on the line 7 7 of Fig. 2; Fig. 8 is a vertical section on the line8 8 of Fig. 4; F ig. 9 is a detail perspective view of the form ofclamping Iblock used in the upper section of the device; and FglO iS`horiaontal section on the line 10 10 of F ig. 2 illustrating moreclearly the constructioii of the clamping block employed in the lowersection. l

. In the accompanying drawings, I have ,shown .my improved electriclight chandelier as comprising an upper rectangular section .f1 saidsection telescoping with a lower rectangular section 2, the two sectionsbeing yprovided with stops l and 2 which pre- :vent the sections frombecoming disengaged. ,'Each section 1 and 2 is of hollow construction,the upper end of the section l carrying `attaching brackets 3 adapted tobe secured Sto an overhead support while the lower end of the section 2is ornamented in any suit-- yable manner and carries a plurality of hol-;low radial varms 4 near the outer ends of which theelectric lights 5are mounted in the usual way. A sectional clamping block '6 is securedin theupper end of the section g1 by means of screws 7 passing throughthe .section 1 and threaded into nuts 8 embedded in said block. The bodyvof the block 6 is provided with a vertical notch 9 in which a groovedpulley 10 is journaled in a manner to appear. One of the vertical facesof the block 6 is provided with a V-shaped groove v11 in which asimilarly shaped clamp member 12 is seated and held inl position bymeans of a bolt 13 which passes through the member 12, extends throughthe block 6 andy the pulley 10 and is threaded into a nut 14 embedded inthe opposite side of said block 6. As clearly shown in Fig. 7 of thedrawings, the` inner corner of the clamp member 12 is cut away toprovide a groove 15 which coacts with the inner corner of the groove 11in the block 6 to retain the current conducting wires 16 in rigidposition. The wires 16 are preferably twisted and the bolt 13 is passedbetween the twists thereof and when tightened will, as above stated,clamp the wires securely in position. The wires 16 depend from the block6, are passed around a guide pulley 17 y carried by a vmetal weight 18,are then extended upwardly over the pulley 10, project down`- wardlythrough an opening 19 in the weight 18, are secured within a lower clamp20 and then diverge and are connected to the sockets of the electriclights 5 in the usual man ner, The lower clamp 20 is very similar ioo tothe upper clamp i3 since it too is formed in two sections 21 havingtheir meeting faces grooved as at 22 for the reception of the wires 16,a clamping bolt 23 passing through the two sections and between thetwists of said wires. As clearly shown in Fig. 5, the grooves 22 are ofzigzag Jformation thus greatly assisting in retaining the wire 1G inposition.

In the operation of the device, when the lower section 2 is raised orlowered upon the upper section 1, the weight 18 will tall or rise, asthe case may b-e, and in so doing will exert tension on the wires 16and, ythrough their connections between the upper and lower sections 1and 2 will maintain said lowermost section in its adjusted position. Byproviding the upper and lower clamps 6 and 20, all strain is taken oil'the upper and lower terminals of the wires 16 thus obviating any dangerof the connections between said wires and the electric lights beingbroken. This I consider a very important feature of my invention.

It will be understood that, although I have shown but four electriclights on the chandelier, any number could be employed to equaladvantage provided the weight 18 is made heavier or lighter, as the casemay be.

Although I have described my invention with considerable minuteness, Ido not wish to be limited to details other than those amplified in theappended claims.

Having thus described my invention what I claim as new is:

1. A chandelier comprising upper and lower telescopic sections theuppermost one of which is adapted to be secured to an overhead support,sectional clamps in the uppermost and lowermost of said sections, aguide on said uppermost clamp, electric lights carried by said lowermostsection, a weight slidable within said telescopic sections, and twistedcurrent conducting wires secured in said uppermost clamp, engaged withthe guides on said weight and said uppermost section, secured in saidlowermost clamp and connected to said electric lights.

2. In a device of the character described, the combination with upperand lower telescopic sections, of clamps secured in said upper and lowersections, each of said clamps comprising two members having registeringgrooves in their meeting aces and clamping bolts passing through saidmembers and intersecting said grooves, currentV conducting wires securedin said clamps, a

4weight having a guide with which said wires are engaged and a guide onsaid upper clamp with which said wires are also engaged. Y

3. In a device of the character described,

the combination with upper and lower telescopic sections, a weightslidable within said sections and a guide on said weight, ot' a clampingblock secured in said uppermost section and having a notch in its uppertace and a V-shaped groove in one ot' its vertical faces, asubstantially Vshaped Iclamping member seated in said groove and havingits inner edge grooved, twisted current conducting wires within saidil-shaped groove and engaged by the groove of said clamping member, abolt passing through said clamping block and said clamping member, saidbolt intersecting said notch and said grooves and passed between thetwists of said wires, and a pulley mounted within said notch on saidbolt, said current conducting wires being engaged with the guide on saidweight, passed over said pulley, and secured to said lowerinosttelescopic section.

In testimony whereotl I have hereunto set my hand in presence of twosubscribing wit iiesses.

MARTINIS J. LINDAHL. Witnesses:

F. M. KEMP, C. J. LINDAHL.

Copies of this patent may lie obtained for ve cents each, by addressingthe Commissioner of Patents,` Washington, D. 0;

